Main Vulnerability Database Vulnerabilities #VU78348

#VU78348 OS Command Injection in ZyXEL Communications Corp. products - CVE-2023-33012

Published: July 18, 2023 / Updated: July 3, 2024

Vulnerability identifier: #VU78348

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green

CVE-ID: CVE-2023-33012

CWE-ID: CWE-78

Exploitation vector: Adjecent network

Exploit availability: Public exploit is available

Vulnerable software:
ATP series
USG FLEX series
VPN series
USG FLEX 50W
USG20W-VPN

Software vendor:
ZyXEL Communications Corp.

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker on the local network can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install updates from vendor's website.

External links

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers